Irene Mullen is a fictional character portrayed by Marjie Lawrence in the TV series Agatha Christie's Poirot.
In the first episode they appeared in, titled Four and Twenty Blackbirds (season 1), they were 57 years old.
They appear in 1 episodes out of a total of 70 aired
Episodes1
Four and Twenty Blackbirds
episode S1.E4 january 1989When a reclusive painter is found dead, Poirot finds the vital clue in the dead man's last meal.